package com.ccarlos.service.impl;

import com.ccarlos.dao.AccountDao;
import com.ccarlos.pojo.Account;
import com.ccarlos.service.TransferService;
import com.ccarlos.utils.ConnectionUtils;
import com.ccarlos.utils.TransactionManager;

public class TransferServiceImpl implements TransferService {

//    private AccountDao accountDao = new JdbcAccountDaoImpl();

//     private AccountDao accountDao = (AccountDao) BeanFactory.getBean("accountDao");

    // 最佳状态
    private AccountDao accountDao;

    // 构造函数传值/set方法传值

    public void setAccountDao(AccountDao accountDao) {
        this.accountDao = accountDao;
    }


    @Override
    public void transfer(String fromCardNo, String toCardNo, int money) throws Exception {
/*        try {
            // 开启事务(关闭事务的自动提交)
            TransactionManager.getInstance().beginTransaction();*/

            Account from = accountDao.queryAccountByCardNo(fromCardNo);
            Account to = accountDao.queryAccountByCardNo(toCardNo);

            from.setMoney(from.getMoney() - money);
            to.setMoney(to.getMoney() + money);

            accountDao.updateAccountByCardNo(to);
            int c = 1 / 0;
            accountDao.updateAccountByCardNo(from);

         /*   // 提交事务
            TransactionManager.getInstance().commit();
        } catch (Exception e) {
            e.printStackTrace();
            // 回滚事务
            TransactionManager.getInstance().rollback();

            // 抛出异常便于上层servlet捕获
            throw e;

        }*/
    }
}
